#B31757#B31757

#B31757 is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.2% C 0.190 H 4.2°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#B31757
RGB	rgb(179, 23, 87)
HSL	hsl(335, 77%, 40%)
HSV	hsv(335, 87%, 70%)
CMYK	cmyk(0%, 87.2%, 51.4%, 29.8%)
CIE-LAB	lab(39.39, 61.68, 5.17)
CIE-LCH	lch(39.39, 61.90, 4.79°)
OKLab	oklab(50.23% 0.1891 0.0137)
OKLCH	oklch(50.23% 0.19 4.2)
XYZ	xyz(20.6190, 10.8876, 10.0308)
Luminance	0.1089 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31757 #17B373

analogous

#B317A5 #B31757 #B32517

triadic

#B31757 #57B317 #1757B3

tetradic

#B31757 #A5B317 #17B373 #2517B3

square

#B31757 #A5B317 #17B373 #2517B3

split-complementary

#B31757 #17B325 #17A5B3

monochromatic

#470922 #7D103D #B31757 #E32472 #EA5B95

Accessibility & contrast

On white

6.61

#B31757 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B31757 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31757

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31757	#FFFFFF	#000000	##FFFFFF
##B31757	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444A58

Deuteranopia (green-blind)

#6C6753

Tritanopia (blue-blind)

#C30036

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31757;
/* rgb */ color: rgb(179, 23, 87);
/* oklch */ color: oklch(50.2% 0.190 4.2);

Tailwind

colors: {
  custom: {
    50: '#d06a86',
    500: '#b31757',
    950: '#000000',
  },
}

SCSS

$custom: #b31757;
$custom-light: #d06a86;
$custom-dark: #000000;

JSON

{
  "hex": "#b31757",
  "rgb": {
    "r": 179,
    "g": 23,
    "b": 87
  },
  "hsl": {
    "h": 335.385,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50228,
    "c": 0.18964,
    "h": 4.2
  },
  "luminance": 0.10885
}

Semantic roles & 50–950 ramp

primary

#B31757

secondary

#58CD9D

accent

#F4A534

background

#FDF6F8

surface

#FBECEF

border

#D4C7CA

text

#15080B

muted

#837A7C

Preview Lab

Preview with #B31757

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →